Diamond Disc 100mm diameter

Diamond Disc 100mm diameter

The outer diameter of the diamond disc is 100mm and the inner hole diameter is 20mm. It is used in grinding of precious, semi-precious stones (ruby-sapphire-emerald, glass hardness etc.). In addition to metal, it abrades all kinds of metals, including silicon carbide (tungsten). It is very different from the similar ones in the market ; the difference is not the coating, but it is the cold press method is used  to attach the diamond content to the surface.This disc can be used for polishing &grinding precious semi precious ruby, quartz, agate, opal, topaz, marble, etc.